Mountlake Terrace city, Washington
Official LSAD Designation: Mountlake Terrace city • Census GEOID: 5347490
• Snohomish County
Mountlake Terrace city is an incorporated city in Snohomish County, Washington. According to official records from the Census (2025), Mountlake Terrace city had an estimated population of 25,430 residents. Official Census Bureau geographic records classify this community under LSAD designation Mountlake Terrace city (GEOID 5347490).
Local Government Administration U.S. Census Bureau GMAF
City Of Mountlake Terrace
Municipal
Official Title:
Finance Director
Address:
PO BOX 72, MOUNTLAKE TERRACE WA 98043-0072
County Of Snohomish
County
Official Title:
Executive Management Analyst
Address:
3000 ROCKEFELLER AVENUE, MS 407, EVERETT WA 98201-4060
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 25,430 | 2025 |
| Median Household Income | $107,687 | 2020-2024 |
| Median Home Value | $667,300 | 2020-2024 |
| Land Area | 4.06 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).